The perimeter of a square is twice the perimeter of a rectangle. If the perimeter of the square is 56 cm and the length of the rectangle is 9 cm, what is the difference between the breadth of the rectangle and the side of the square ?
Correct Answer: Description for Correct answer:
Perimeter of square
= Twice the perimeter of rectangle
4 side = 2 X 2 ( length + breadth)
56 = 4 ( 9 + breadth) => 9 + breadth = 14
breadth of rectangle = 5 cm
Therefore perimeter of square = 4 X side
56 = 4 X side
Side of square = 14 cm
Difference between side of square and breadth of square = side - breadth = 14 - 5
Therefore required difference = 9 cm
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